29 April – 26 people are killed in air raids aimed at coal mines in the Rhondda, and a further seven in Cardiff.
May – The Ministry of Information issues more than 14 million copies across the United Kingdom of a leaflet Beating the Invader, with a preface from Churchill, giving advice on what to do "if invasion comes"; there are also 160,400 copies of a Welsh version headed Trechu'r Goressgynnydd.[12]
8 May – Three German Heinkel 111s are shot down. Nine German crew members are killed, and the remaining three taken prisoner.
7 August – An RAF Wellington bomber crashes into Rhosfach in the Berwyn range, killing six crew.
28 August – An RAF Blackburn Botha with a crew of three crashes into the sea off Rhosneigr, Anglesey. A further eleven people die in the rescue attempt.
September – Sir Archibald Rowlands joins the Beaverbrook and Harriman mission to Moscow.
August – Evacuated paintings from the National Gallery in London are moved to underground storage at a slate quarry beneath Manod Mawr in north Wales.[26]
^Alban, J. R. (1994). The three nights' blitz : select contemporary reports relating to Swansea's air raids of February 1941. Swansea: City of Swansea. pp. 10–13. ISBN9780946001255.
^Issued 24 January 1941 in the USA and 6 February 1942 in the UK (not published in 1940 and 1941 as shown in the texts). Dante Thomas, A Bibliography of the Principal Writings of John Cowper Powys, unpublished Ph.D thesis (State University of New York at Albany, 1971), p. 55.
^"Trafgarne, Baron". Cracrofts Peerage. Archived from the original on 23 January 2019. Retrieved 23 January 2019.
^Stenton, Michael (1976). Who's who of British members of Parliament : a biographical dictionary of the House of Commons based on annual volumes of Dod's Parliamentary companion and other sources. Hassocks, Sussex, Eng. Atlantic Highlands, N.J: Harvester Press Humanities Press. p. 210. ISBN9780855273255.
^Staff (21 January 1941). "Dame Margaret Lloyd George". The Times. London, UK. p. 4.
^Michael Stenton (976). Who's who of British Members of Parliament: 1919-1945. Harvester Press. p. 77.